Science

Wednesday, 2 September 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Aurora
The color of the aurora depends on the height at which the atoms are colliding, and the type of atom.
If the collision is with nitrogen, we see the color purple and maroon. Collision with oxygen gives g ...
Fungi
The science of mushrooms is mycology.
Mycologists have developed several systems of classifying fungi.A less official classification group ...
Cosmos
The largest canyon both on Mars and in the entire Solar System is Valles Marineris, which stretches 400 kilometers, is 200 kilometers wide, and 10 kilometers deep.
The canyon is located just below the Martian equator.
Cosmos
A memento of annihilation–the Chicxulub crater.
It is located on the Yucatan peninsula under the waters of the Gulf of Mexico. The crater was formed ...
Cosmos
The largest crater in the Solar System is located on the surface of Ganymede, Jupiter’s largest moon.
The crater has a diameter of 15.600 kilometers and was discovered on 7th August 2020. So far it has not been named.
Milky Way
It is almost as old as our Universe.
Its age is estimated at 13.6 ± 0.8 billion years, so it may be only 100 million years younger than the Universe.
Fungi
In the past, mushrooms were considered a part of the plant world, a group of fungi.
It was suggested that they had a limited ability to move, their type of growth, and their morphologi ...
Moon
The surface of the Moon is littered with impact craters because it does not have an atmosphere thick enough to destroy pieces of rock heading towards it.
The largest crater on its surface is the South Pole-Aitken Basin, it is 2500 km in diameter and 13 km deep.
Cosmos
The largest mountain in the Solar System is Olympus Mons.
This extinct volcano rises above the Martian surface to a height of about level. The diameter of the ...
NASA
Any astronaut interested in working for NASA has to complete 1 000 hours of flying time.